* {
    margin: 0px;
    padding: 0px;
}

html, body {
    font-family: "微软雅黑";
    width: 100%;
    height: 100%;
}

.navbar .nav > li .dropdown-menu {
    margin: 0;
}

.navbar .nav > li:hover .dropdown-menu {
    display: block;
}

.backend {
    height: 85%;
    margin-top: 60px;
}

.footer {
    text-align: center;
}

.authName {
    margin: 14px;
    float: right;
}
